//import 'package:flutter/material.dart';

import 'package:fluent_ui/fluent_ui.dart';

import 'components/file_treeview.dart';
import 'components/editor_tabview.dart';

import 'package:menubar/menubar.dart';
import 'package:file_picker/file_picker.dart';

import 'models/file_list_model.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return FluentApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        scaffoldBackgroundColor: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      // This call to setState tells the Flutter framework that something has
      // changed in this State, which causes it to rerun the build method below
      // so that the display can reflect the updated values. If we changed
      // _counter without calling setState(), then the build method would not be
      // called again, and so nothing would appear to happen.
      _counter++;
    });
  }

  void updateMenubar() {
    setApplicationMenu(<Submenu>[
      Submenu(label: 'File', children: [
        MenuItem(
            label: 'Open',
            onClicked: () async {
              String? selectedDirectory =
                  await FilePicker.platform.getDirectoryPath();
              if (selectedDirectory != null) {
                print('Select dir: $selectedDirectory');
                FileList.getInstance().init(selectedDirectory);
              } else {
                print('Not select dir!');
              }
            }),
        MenuItem(
            label: 'Save',
            onClicked: () async {
              FileList.getInstance().save_current_file();
            }),
        MenuItem(
            label: 'Save All',
            onClicked: () async {
              FileList.getInstance().save_all_file();
            })
      ])
    ]);
  }

  @override
  Widget build(BuildContext context) {
    updateMenubar();

    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return NavigationView(
      content: Row(
        // Column is also a layout widget. It takes a list of children and
        // arranges them vertically. By default, it sizes itself to fit its
        // children horizontally, and tries to be as tall as its parent.
        //
        // Invoke "debug painting" (press "p" in the console, choose the
        // "Toggle Debug Paint" action from the Flutter Inspector in Android
        // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
        // to see the wireframe for each widget.
        //
        // Column has various properties to control how it sizes itself and
        // how it positions its children. Here we use mainAxisAlignment to
        // center the children vertically; the main axis here is the vertical
        // axis because Columns are vertical (the cross axis would be
        // horizontal).
        mainAxisAlignment: MainAxisAlignment.start,
        children: <Widget>[
          const FileTreeView(),
          EditorTabView(),
        ],
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}
